Transit-time flow measurement principle

Ultrasound pulses are continuously sent in both directions between a pair of probes. The travel time in each direction is measured to calculate the difference in transit time. The difference in transit time is slower against the flow and directly proportional to the velocity of the liquid or gas.

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About Us

Hydrographic Technologies is partnered with the world’s leading manufacturers to deliver premium quality instrumentation to the water and gas utilities in Australia.
Our innovative solutions provide accurate and reliable equipment to monitor pressure and flow in water, waste water, and gas pipelines as well as rivers and open channels.

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Latest News

We have moved to larger premises 

Hydrographic Technologies are pleased to announce we have moved smoothly to new premises in Matraville and are fully functional and ready for business.

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Gutermann appoint new Aus.

The Swiss based Gutermann have appointed Hydrographic Technologies Pty Ltd as a re-seller for the Australian market. GUTERMANN has been specialising i

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Magmeter Verification

Featured Case Study – Water

Water utility uses Ultraflux 801-P Ultrasonic Clamp on Flow Meter to verify Mag Meters with a set of clamp on probes either side of the magnetic flow meter.  Test is done online saving downtime and removal costs!

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2 chord wetted probe installation on a gas pipe

Featured Case Study – Gas

Improving flow measurements at transfer stations in high pressure gas pipelines for Gaz de France with the Ultraflux ultrasonic clamp-on flow meter.

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